Qwen: Qwen3.8 27B vs OpenAI: GPT-5.6 Terra
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-09-30.
| Qwen: Qwen3.8 27B | OpenAI: GPT-5.6 Terra | |
|---|---|---|
| Vendor | qwen | openai |
| Quality Score | 100 | 100 |
| Benchmark Score | 55.6 | 71.1 |
| Input Price | $0.42/M | $2.00/M |
| Output Price | $3.00/M | $12.00/M |
| Context Window | 1,000,000 | 1,050,000 |
| Max Output | 131,072 | 128,000 |
| Tool Calling | ✓ | ✓ |
| Structured Output | ✓ | ✓ |
| Reasoning Mode | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio | - | - |
| Benchmark Scores | ||
| ai_index | 55.6 | 69.4 |
The verdict
For a sample job of 1 million input tokens and 250,000 output tokens, Qwen3.8 27B costs $1.17 and GPT-5.6 Terra costs $5.00, so Qwen3.8 27B is about 4.3 times cheaper for the same work.
Both take in a similar amount of text: 1,000,000 and 1,050,000 tokens, about 1,500 and 1,575 pages.
Only Qwen3.8 27B offers video input.
On our blended benchmark score GPT-5.6 Terra leads 71.1 to 55.6.
Across the 20 tasks where they differ, Qwen3.8 27B scores higher on 7 (Code Completion, Code Documentation, Regex Writing and others), GPT-5.6 Terra on 13 (SQL Generation, Code Review, Code Refactoring and others).
Qwen3.8 27B was released in August 2026 and GPT-5.6 Terra in July 2026.
Pick Qwen3.8 27B if you need lower cost or video input; pick GPT-5.6 Terra if you need benchmark performance.
Costs use current list prices per million tokens; page counts assume about 0.75 words per token and 500 words per page.
Who wins by task?
| Task | Qwen: Qwen3.8 27B | OpenAI: GPT-5.6 Terra |
|---|---|---|
| SQL Generation | 140 | 140 |
| Code Review | 142 | 145 |
| Code Completion | 132 | 118 |
| Code Refactoring | 144 | 147 |
| Bug Fixing | 146 | 149 |
| Unit Test Generation | 130 | 132 |
| Code Documentation | 136 | 135 |
| Regex Writing | 124 | 124 |
| CI/CD Pipelines | 126 | 128 |
| Frontend Component Design | 128 | 130 |
| Data Analysis | 132 | 134 |
| CSV / Spreadsheet Cleanup | 135 | 135 |
| ETL Scripting | 135 | 137 |
| JSON Extraction | 131 | 121 |
| Bulk Data Labeling | 129 | 117 |
| OCR / Document Parsing | 133 | 134 |
| Table Extraction from PDFs | 133 | 134 |
| Long-Document Summarization | 146 | 147 |
| Short-Form Summarization | 126 | 116 |
| Blog Post Writing | 128 | 128 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →